% Schematic2.m %
clear all; clc; clf; figure(1); hold on; n = 300; 
th = linspace(0,pi/2,n); r = 2; 
plot(r*cos(th),r*sin(th),'k-','linewidth',2);
r = 2.5; plot(r*cos(th),r*sin(th),'k--','linewidth',2);
r = 1.5; plot(r*cos(th),r*sin(th),'k--','linewidth',2);
plot(1.18, 2.2, 'ok', 'markerface','k', 'markersize',12);
plot(1.21, 0.88, 'ok', 'markerface','k', 'markersize',12); fs = 28;
text('Interpreter','latex','String', ...
    '$$\partial \Omega_{\delta}$$','Position', ...
    [0.5 1.1],'FontSize',fs)
text('Interpreter','latex','String', ...
    '$$\partial \Omega_{\delta}$$','Position', ...
    [1.7 2.0],'FontSize',fs)
text('Interpreter','latex','String','$$cp(\textrm{x}_1)$$',...
    'Position',[0.35 1.66],'FontSize',fs)
text('Interpreter','latex','String','$$cp(\textrm{x}_2)$$',...
    'Position',[1.55 1.32],'FontSize',fs)
text('Interpreter','latex','String','$$S$$', ...
    'Position',[-0.13 2.0],'FontSize',fs)
text('Interpreter','latex','String','$$\textrm{x}_1$$',...
    'Position',[1.12 2.3],'FontSize',fs)
text('Interpreter','latex','String','$$\textrm{x}_2$$',...
    'Position',[1.02 0.75],'FontSize',fs)
annotation('arrow',[0.5 0.444],[0.83 0.68], 'linewidth', 1.5);
annotation('arrow',[0.51 0.6],[0.4 0.498], 'linewidth', 1.5); 
axis image; axis off;
